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Exclusive! Alyson Hannigan Celebrates 10 Years Of Marriage!

A decade of marriage, and this Hollywood couple hasn't spent more than three weeks apart.

Fiction caught up with reality when Alyson Hannigan's character Lily gave birth to a son in the seventh season finale of How I Met Your Mother. Off camera, the Buffy The Vampire Slayer and American Pie teenager is now 39 and the mother of two young girls, Satyana, 3, and Keeva, 1, with her husband of ten years, actor Alexis Denisof.

Back on Oct. 11, 2003, the couple wed in a three-day celebration outside of Palm Springs. And this past July, Denisof popped the question for a second time.

"My hubby @AlexisDenisof surprised me with the most romantic day of my life yesterday! Which included another proposal & ring! I said YES!" Hannigan tweeted. "And now we get to have our kids at this ceremony :) It'll be shorter. We'll get to the cake sooner! YAY renewal!!!"

The couple re-tied the knot in a Hawaiin sunrise ceremony on Sept. 30, and the rest as they say, has been happily ever after:

YourTango: So how are you managing two young kids and working?Alyson Hannigan: They come to work with me and they love it. But it's definitely hard to be a working mom.

3. New boyfriend or girlfriend

With a new relationship, you don't want to overwhelm your partner with something too flashy or intense, so for new boyfriends and girlfriends, we recommend an event, like a concert or a night at the theater. If you're here in New York with us, give the Met a try!

8. Yourself

Whether you're with someone or flying solo this Valentine's Day, you deserve a little something special (because honey, you work hard). I'm partial to this hilarious personalized luggage tag, but that's just me. Go our there and find yourself the perfect gift for the dearest person in your life; you!